Almera Tino V10 (2003 year). Manual — part 186
Signals
ECM
TCM
ABS actuator and
electric unit (control
unit)
Smart entrance
control unit
Combination meter
Output shaft revolu-
tion signal
R
T
ABS operation sig-
nal
T
R
OD OFF switch sig-
nal
R
T
OD OFF indicator
signal
T
R
A/T self-diagnosis
signal
R
T
ABS warning lamp
signal
T
R
N range switch sig-
nal
R
T
P range switch sig-
nal
R
T
GI
MA
EM
LC
EC
FE
CL
MT
AT
AX
SU
BR
ST
RS
BT
HA
SC
IDX
CAN COMMUNICATION
CAN Communication Unit (Cont’d)
EL-465
TYPE 5/TYPE 6
=NLEL0691S04
System Diagram
NLEL0691S0401
YEL469E
Input/Output Signal Chart
NLEL0691S0402
T: Transmit R: Receive
Signals
ECM
ABS actuator and elec-
tric unit (control unit)
Smart entrance control
unit
Combination meter
Engine speed signal
T
R
Rear window defogger
signal
*1
R
T
Heater fan switch sig-
nal
*1
R
T
Air conditioner switch
signal
R
T
MI signal
T
R
Glow indicator lamp sig-
nal
*2
T
R
Engine coolant tempera-
ture signal
T
R
Fuel consumption signal
T
R
Vehicle speed signal
T
R
R
T
Seat belt reminder sig-
nal
R
T
Headlamp switch signal
T
R
Flashing indicator signal
T
R
Engine cooling fan
speed signal
T
R
Door switches state sig-
nal
T
R
A/C compressor signal
T
R
A/C compressor feed-
back signal
*1
T
R
ABS operation signal
T
R
ABS warning lamp sig-
nal
T
R
*1: For QG engine models
*2: For YD engine models
CAN COMMUNICATION
CAN Communication Unit (Cont’d)
EL-466
Component Parts and Harness Connector
Location
NLEL0638
YEL408E
System Description
NLEL0639
CAN (Controller Area Network) is a serial communication line for real time application. It is an on-vehicle mul-
tiplex communication line with high data communication speed and excellent error detection ability. Many
electonic control units are equipped onto a vehicle, and each control unit shares information and links with
other control units during operation (not independent). In CAN communication, control units are connected with
2 communication lines (CAN H line, CAN L line) allowing a high rate of information transmission with less wir-
ing. Each control unit transmits/receives data but selectively reads required data only.
GI
MA
EM
LC
EC
FE
CL
MT
AT
AX
SU
BR
ST
RS
BT
HA
SC
IDX
CAN SYSTEM (TYPE 1)
Component Parts and Harness Connector Location
EL-467
Wiring Diagram — CAN —
NLEL0640
YEL047E
CAN SYSTEM (TYPE 1)
Wiring Diagram — CAN —
EL-468
YEL048E
GI
MA
EM
LC
EC
FE
CL
MT
AT
AX
SU
BR
ST
RS
BT
HA
SC
IDX
CAN SYSTEM (TYPE 1)
Wiring Diagram — CAN — (Cont’d)
EL-469
Trouble Diagnoses
NLEL0641
WORK FLOW
NLEL0641S01
1. Print all the data of “SELF-DIAG RESULTS” and “DATA MONITOR” for “ENGINE”, “A/T” and “SMART
ENTRANCE” displayed on CONSULT-II. Refer to the following.
‰
“DTC U1000, U1001 CAN COMMUNICATION LINE” (WITH EURO-OBD) (EC-145) for “ENGINE”
‰
“DTC U1000, U1001 CAN COMMUNICATION LINE” (WITHOUT EURO-OBD) (EC-651) for “ENGINE”
‰
“DTC U1000 CAN COMMUNICATION LINE” (WITH EURO-OBD) (AT-194) for “A/T”
‰
“CAN COMMUNICATION LINE” (All) (AT-399) for “A/T”
‰
“Inspection 13 CAN Communication System” (BR-140) for “ABS”
‰
“CAN Communication Line Check” (EL-351) for “SMART ENTRANCE”
2. Attach the printed sheet of “SELF-DIAG RESULTS” and “DATA MONITOR” onto the check sheet. Refer
to “CHECK SHEET” (EL-471).
3. Based on the data monitor results, put “v” marks onto the items with “UNKWN” or “NG” in the check sheet
table. Refer to “CHECK SHEET“ (EL-471).
NOTE:
If “NG” is displayed on “CAN COMM” for the diagnosed control unit, replace the control unit.
4. According to the check sheet results (example), start inspection. Refer to “CHECK SHEET RESULTS
(EXAMPLE)” (EL-472).
CAN SYSTEM (TYPE 1)
Trouble Diagnoses
EL-470
CHECK SHEET
NLEL0641S02
YEL409E
GI
MA
EM
LC
EC
FE
CL
MT
AT
AX
SU
BR
ST
RS
BT
HA
SC
IDX
CAN SYSTEM (TYPE 1)
Trouble Diagnoses (Cont’d)
EL-471
CHECK SHEET RESULTS (EXAMPLE)
NLEL0641S03
YEL410E
CAN SYSTEM (TYPE 1)
Trouble Diagnoses (Cont’d)
EL-472
YEL411E
GI
MA
EM
LC
EC
FE
CL
MT
AT
AX
SU
BR
ST
RS
BT
HA
SC
IDX
CAN SYSTEM (TYPE 1)
Trouble Diagnoses (Cont’d)
EL-473
YEL412E
CAN SYSTEM (TYPE 1)
Trouble Diagnoses (Cont’d)
EL-474
INSPECTION
NLEL0641S04
Proceed trouble diagnosis according to the check sheet results (example).
Case 1: Replace ECM.
Case 2: Replace TCM.
Case 3: Replace ABS actuator and electric unit (control unit)
Case 4: Replace smart entrance control unit.
Case 5: Check harness between TCM and ABS actuator and electric unit (control unit). Refer to “CIRCUIT
CHECK BETWEEN TCM AND ABS ACTUATOR AND ELECTRIC UNIT (CONTROL UNIT)” (EL-476).
Case 6: Check harness between ABS actuator and electric unit (control unit) and steering angle sensor. Refer
to “CIRCUIT CHECK BETWEEN ABS ACTUATOR AND ELECTRIC UNIT (CONTROL UNIT) AND STEER-
ING ANGLE SENSOR” (EL-478).
Case 7: Check harness between steering angle sensor and smart entrance control unit. Refer to “CIRCUIT
CHECK BETWEEN STEERING ANGLE SENSOR AND SMART ENTRANCE CONTROL UNIT” (EL-479).
Case 8: Check ECM circuit. Refer to “ECM CIRCUIT CHECK” (EL-481).
Case 9: Check TCM circuit. Refer to “TCM CIRCUIT CHECK” (EL-482).
Case 10: Check ABS actuator and electric unit (control unit) circuit. Refer to “ABS ACTUATOR AND ELEC-
TRIC UNIT (CONTROL UNIT) CIRCUIT CHECK” (EL-483).
Case 11: Check steering angle sensor circuit. Refer to “STEERING ANGLE SENSOR CIRCUIT CHECK” (EL-
484).
Case 12: Check smart entrance control unit circuit. Refer to “SMART ENTRANCE CONTROL UNIT CIRCUIT
CHECK” (EL-485).
Case 13: Check combination meter circuit. Refer to “COMBINATION METER CIRCUIT CHECK” (EL-486).
Case 14: Check CAN communication circuit. Refer to “CAN COMMUNICATION CIRCUIT CHECK” (EL-487).
GI
MA
EM
LC
EC
FE
CL
MT
AT
AX
SU
BR
ST
RS
BT
HA
SC
IDX
CAN SYSTEM (TYPE 1)
Trouble Diagnoses (Cont’d)
EL-475
CIRCUIT CHECK BETWEEN TCM AND ABS ACTUATOR AND ELECTRIC UNIT (CONTROL
UNIT)
=NLEL0641S05
1
CHECK CONNECTOR
1. Turn ignition switch OFF.
2. Disconnect the negative battery cable.
3. Check following terminals and connector for damage, bend and loose connection (connector side and harness side).
LHD models
I
Harness connector M11
I
Harness connector E106
RHD models
I
Harness connector M80
I
Harness connector E145
OK or NG
OK
©
GO TO 2.
NG
©
Repair terminal or connector.
2
CHECK HARNESS FOR OPEN CIRCUIT
1. Disconnect harness connector M11 (LHD models) or harness connector M80 (RHD models).
2. Check the following.
LHD models
I
Continuity between harness connector M112 terminals 6 (L), 5 (R) and harness connector M11 terminals 2 (L), 9 (R)
YEL413E
RHD models
I
Continuity between harness connector M112 terminals 6 (L), 5 (R) and harness connector M80 terminals 10 (L), 1 (R)
YEL414E
OK or NG
OK
©
GO TO 3.
NG
©
Repair harness.
CAN SYSTEM (TYPE 1)
Trouble Diagnoses (Cont’d)
EL-476
3
CHECK HARNESS FOR OPEN CIRCUIT
1. Disconnect smart entrance control unit connector.
2. Check the following.
LHD models
‰
Continuity between harness connector E106 terminals 2 (L), 9 (R) and ABS actuator and electric unit (control unit) con-
nector E143 terminals 11 (L), 15 (R)
YEL416E
RHD models
‰
Continuity between harness connector E145 terminals 10 (L), 1 (R) and ABS actuator and electric unit (control unit) con-
nector E143 terminals 11 (L), 15 (R)
YEL417E
OK or NG
OK
Reconnect all connectors to perform “SELF-DIAG RESULTS” and “DATA MONITOR” for
“ENGINE”, “A/T”, “ABS” and “SMART ENTRANCE” displayed on CONSULT-II. Refer to
the following.
‰
“DTC U1000, U1001 CAN COMMUNICATION LINE” (WITH EURO-OBD) (EC-145) for
“ENGINE”
‰
“DTC U1000, U1001 CAN COMMUNICATION LINE” (WITHOUT EURO-OBD) (EC-
651) for “ENGINE”
‰
“DTC U1000 CAN COMMUNICATION LINE” (WITH EURO-OBD) (AT-194) for “A/T”
‰
“CAN COMMUNICATION LINE” (All) (AT-399) for “A/T”
‰
“Inspection 13 CAN Communication System” (BR-140) for “ABS”
‰
“CAN Communication Line Check” (EL-351) for “SMART ENTRANCE”
NG
Repair harness.
GI
MA
EM
LC
EC
FE
CL
MT
AT
AX
SU
BR
ST
RS
BT
HA
SC
IDX
CAN SYSTEM (TYPE 1)
Trouble Diagnoses (Cont’d)
EL-477
CIRCUIT CHECK BETWEEN ABS ACTUATOR AND ELECTRIC UNIT (CONTROL UNIT) AND
STEERING ANGLE SENSOR
=NLEL0641S07
1
CHECK HARNESS FOR OPEN CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect the negative battery cable.
3. Disconnect ABS actuator and electric unit (control unit) connector and steering angle sensor connector.
4. Check continuity between ABS actuator and electric uit (control unit) harness connector E143 terminals 11 (L), 15 (R)
and steering angle sensor harness connector E129 terminals 4 (L), 5 (R).
YEL422E
OK or NG
OK
Reconnect all connectors to perform “SELF-DIAG RESULTS” and “DATA MONITOR” for
“ENGINE”, “A/T”, “ABS” and “SMART ENTRANCE” displayed on CONSULT-II. Refer to
the following.
‰
“DTC U1000, U1001 CAN COMMUNICATION LINE” (WITH EURO-OBD) (EC-145) for
“ENGINE”
‰
“DTC U1000, U1001 CAN COMMUNICATION LINE” (WITHOUT EURO-OBD) (EC-
651) for “ENGINE”
‰
“DTC U1000 CAN COMMUNICATION LINE” (WITH EURO-OBD) (AT-194) for “A/T”
‰
“CAN COMMUNICATION LINE” (All) (AT-399) for “A/T”
‰
“Inspection 13 CAN Communication System” (BR-140) for “ABS”
‰
“CAN Communication Line Check” (EL-351) for “SMART ENTRANCE”
NG
Repair harness.
CAN SYSTEM (TYPE 1)
Trouble Diagnoses (Cont’d)
EL-478
CIRCUIT CHECK BETWEEN STEERING ANGLE SENSOR AND SMART ENTRANCE
CONTROL UNIT
=NLEL0641S06
1
CHECK CONNECTOR
1. Turn ignition switch OFF.
2. Disconnect the negative battery cable.
3. Check following terminals and connector for damage, bend and loose connection (connector side and harness side).
LHD models
I
Harness connector E125
I
Harness connector M82
RHD models
I
Harness connector E145
I
Harness connector M80
OK or NG
OK
©
GO TO 2.
NG
©
Repair terminal or connector.
2
CHECK HARNESS FOR OPEN CIRCUIT
1. Disconnect steering angle sensor connector and harness connector E125 (LHD models) or harness connector E145
(RHD models).
2. Check the following.
LHD models
I
Continuity between steering angle sensor harness connector E129 terminals 4 (L), 5 (R) and harness connector E125
terminals 1 (L), 6 (R)
YEL418E
RHD models
I
Continuity between steering angle sensor harness connector E129 terminals 4 (L), 5 (R) and harness connector E145
terminals 9 (L), 20 (R)
YEL419E
OK or NG
OK
©
GO TO 3.
NG
©
Repair harness.
GI
MA
EM
LC
EC
FE
CL
MT
AT
AX
SU
BR
ST
RS
BT
HA
SC
IDX
CAN SYSTEM (TYPE 1)
Trouble Diagnoses (Cont’d)
EL-479
3
CHECK HARNESS FOR OPEN CIRCUIT
1. Disconnect smart entrance control unit connector.
2. Check the following.
LHD models
‰
Continuity between harness connector M82 terminals 1 (L), 6 (R) and smart entrance control unit connector M99 termi-
nals 8 (L), 11 (R)
YEL420E
RHD models
‰
Continuity between harness connector M80 terminals 9 (L), 20 (R) and smart entrance control unit connector M99 termi-
nals 8 (L), 11 (R)
YEL421E
OK or NG
OK
Reconnect all connectors to perform “SELF-DIAG RESULTS” and “DATA MONITOR” for
“ENGINE”, “A/T”, “ABS” and “SMART ENTRANCE” displayed on CONSULT-II. Refer to
the following.
‰
“DTC U1000, U1001 CAN COMMUNICATION LINE” (WITH EURO-OBD) (EC-145) for
“ENGINE”
‰
“DTC U1000, U1001 CAN COMMUNICATION LINE” (WITHOUT EURO-OBD) (EC-
651) for “ENGINE”
‰
“DTC U1000 CAN COMMUNICATION LINE” (WITH EURO-OBD) (AT-194) for “A/T”
‰
“CAN COMMUNICATION LINE” (All) (AT-399) for “A/T”
‰
“Inspection 13 CAN Communication System” (BR-140) for “ABS”
‰
“CAN Communication Line Check” (EL-351) for “SMART ENTRANCE”
NG
Repair harness.
CAN SYSTEM (TYPE 1)
Trouble Diagnoses (Cont’d)
EL-480
Нет комментариевНе стесняйтесь поделиться с нами вашим ценным мнением.
Текст